Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.3 | Medium | 4.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0031, the 24th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 13:34 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-4233-jc72-56c5
- OSV: GHSA-4233-jc72-56c5
- github.com/withastro/astro/security/advisories/GHSA-4233-jc72-56c5
- nvd.nist.gov/vuln/detail/CVE-2026-102983
- github.com/withastro/astro/pull/17752
- github.com/withastro/astro/commit/e362d4cf540b27730482455c8fc02efe57d16702
- github.com/withastro/astro
- github.com/withastro/astro/releases/tag/@astrojs/[email protected]